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Charra [1.4K]
3 years ago
10

Solve the system of equations by using the substitution method X+Y=3 X=2Y

Mathematics
1 answer:
Marrrta [24]3 years ago
6 0

Answer:

If you're asking me to solve for Y, y = 1.

Step-by-step explanation:

Simple. If x is 2x y and y = 1, 2 x 1 is 2 plus y being equal to 1 will give you a total of 3. Hope this helped.

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First, find the scale factor.

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Since both solids are different sizes, the solids aren't congruent.

The size ratio for all the sides are:

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Since the scale factor isn't 1:1 this also proves that the solids are NOT congruent.

Since both solids are the same kind of shape and have an identical scale factor, the solids are similar.

Best of Luck!

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